Books in Category: Environmental Issues (sorted alphabetically)
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Montezuma National Forest, Colorado (1939)
United States. Forest Service. Rocky Mountain Region
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Mosaic of New Mexico's Scenery, Rocks, and History
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Mother Earth, Vol. 1 No. 1, March 1906
Various
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Mount Everest, the Reconnaissance, 1921
Charles Howard-Bury, George Mallory, and A. F. R. Wollaston
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Municipal and Sanitary Engineer's Handbook
H. Percy Boulnois
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Municipal housecleaning : the methods and experiences of American cities in collecting and disposing of their municipal wastes—ashes, rubbish, garbage, manure, sewage, and street refuse
William Parr Capes and Jeanne Daniels Carpenter
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Mutual Aid: A Factor of Evolution
kniaz Petr Alekseevich Kropotkin
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Nalakihu-Citadel Trail, Wupatki National Monument, Arizona
Southwest Parks and Monuments Association
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Narrative of the surveying voyages of His Majesty's ships Adventure and Beagle, between the years 1826 and 1836. Volume I. Proceedings of the First Expedition, 1826-1830
Philip Parker King and Robert Fitzroy
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National Geographic Magazine, Vol. III. (Complete), 1891
Various
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National Geographic Magazine, Vol. I., No. 4, October, 1889
Various
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Nation's River: A report on the Potomac
United States. Department of the Interior
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Natural Bridges National Monument (1954)
United States. National Park Service
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Natural History of Pliny, Volume 6 (of 6)
the Elder Pliny
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Natural History of Selborne
Gilbert White
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Natural History of Selborne, Vol. 1
Gilbert White
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Natural History of Selborne, Vol. 2
Gilbert White
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Natural History of the Salamander, Aneides hardii
Richard F. Johnston and G. A. Schad
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Natural History of Wiltshire
John Aubrey
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Naturalist in La Plata
W. H. Hudson
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Naturalist on the Thames
C. J. Cornish
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Nature Mysticism
John Edward Mercer
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North America
Israel C. Russell
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Northern Nut Growers Association, Report Of The Proceedings At The Tenth Annual Meeting.
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Northern Nut Growers Association Report of the Proceedings at the Twelfth Annual Meeting